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VOLTAGE-CURRENT CHARACTERISTICS AND NOISE PROPERTIES OF SNS JUNCTIONS

被引：7
|
作者：
FLETT, A [1 ]
COLCLOUGH, MS [1 ]
HE, Y [1 ]
MUIRHEAD, CM [1 ]
ROBINSON, RA [1 ]
CHAR, K [1 ]
机构：
[1] CONDUCTUS INC,SUNNYVALE,CA 94086
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1995年 / 5卷 / 02期
关键词：
D O I：
10.1109/77.403216
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report measurements of V/I/B characteristics for a number of YBCO/N/YBCO junctions where the N layer is Co doped YBCO. The field dependence of about half the junctions tested showed I-c/B characteristics which approached 100% modulation for T> 80K for field directions both perpendicular to the plane of the junction and along the width of the junction. Other junctions showed an anomalous field modulation which decreased as the temperature was increased. More detailed measurements are reported for one junction which showed fairly large field modulation. The V/I characteristics were found to be in very good agreement with a thermally rounded RSJ model in the temperature range 74-80K. The voltage noise peaked at I-c, and had a 1/f dependence in the range measured. It had a value of 8nV Hz(-1/2) at 1Hz and 75K.
引用
收藏
页码：2973 / 2975
页数：3
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